Fakhroni AA, Puotier Z. Efforts to Improve Mathematics Learning Outcomes Using Napier Bone Teaching Aids for Elementary School Students. Intv. Ind. J. of. Math. Ed [Internet]. 2023Dec.21 [cited 2026May19];1(2):36-. Available from: https://cahayaic.digisstant.com/index.php/IJoME/article/view/779